# TrainTool vs Compendium Medicine

The clearest difference is in-app purchases: TrainTool at none against Compendium Medicine's 6. TrainTool also leads on iOS requirement (15.1 vs 18.6). Compendium Medicine's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Compendium Medicine sells 6 in-app purchases, starting at $3.99 per month. TrainTool asks for nothing beyond the download.

TrainTool ships an update every 3 weeks, Compendium Medicine weekly. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TrainTool | Compendium Medicine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/compendium-medicine/id6473748682/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 29 MB | 74 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [TrainTool](https://appshunter.io/developer/821596020) | [Synopsis B.V.](https://appshunter.io/developer/1719672527) |

## What reviewers say

### TrainTool

[App page](https://appshunter.io/ios/app/traintool/id821596017)

**In-app purchases:** none


### Compendium Medicine

[App page](https://appshunter.io/ios/app/compendium-medicine/id6473748682)

Test your medical knowledge with this free educational app covering 35 specialties. Enhance your learning through short cases and practice questions, with new content added monthly. Unlock premium features like unlimited practice and advanced filtering with a subscription.

**Highlights:** 35 specialty-specific practice questions, Shuffle Mode for general knowledge, Monthly new question additions, Efficient learning on-the-go, Unlimited practice questions (premium), Advanced filtering options (premium), Exclusive anatomy questions (premium)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compendium Plus, 1 month | $3.99 | per month |
| Ask Compendium (AI), 1 month | $11.99 | per month |
| Plus + Ask Compendium, 1 month | $14.99 | per month |
| Compendium Plus, 1 year | $34.99 | per year |
| Ask Compendium (AI), 1 year | $119.99 | per year |
| Plus + Ask Compendium, 1 year | $149.99 | per year |


## Frequently asked questions

### Is TrainTool free?

TrainTool is free to download, with no in-app purchases.

### Is Compendium Medicine free?

Compendium Medicine is free to download, with in-app purchases available.

### Do TrainTool or Compendium Medicine have ads?

Neither TrainTool nor Compendium Medicine shows ads.

### Which is updated more often, TrainTool or Compendium Medicine?

TrainTool ships an update every 3 weeks, and Compendium Medicine weekly. Most recently, TrainTool was updated on October 6, 2026 and Compendium Medicine on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*